Home / 629,240.28-868,347.10-342,760.35

Finding the Fourth Proportional to 629,240.28, 868,347.10 and 342,760.35

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Solution

The fourth proportional to 629,240.28, 868,347.10 and 342,760.35 is: 473,006.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,240.28 : 868,347.10 = 342,760.35 : x
  2. Step 2: Convert to fraction form
    629,240.28/868,347.10 = 342,760.35/x
  3. Step 3: Cross multiply
    629,240.28x = 868,347.10 × 342,760.35
  4. Step 4: Simplify right side
    629,240.28x = 297,634,955,917.49
  5. Step 5: Solve for x
    x = 297,634,955,917.49/629,240.28
  6. Step 6: Final answer
    x = 473,006.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.